Observation of Galilean Moons
Independently observes Jupiter's four large moons at about the same time as Galileo.
Role range: 1573-1624
Historical biography archive · Updated 2026-11-03
Simon Marius Biography and Timeline
Follow Simon Marius through 2 dated historical records for Germany.
Simon Marius, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1610–1612Years on this page
1610
1612
First Telescopic Description of Andromeda
Observes M31 through a telescope and describes its pale central glow, providing the first known telescopic account of the Andromeda object.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.